| Commit message (Collapse) | Author | Age | Files | Lines |
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to return ``datetime.timedelta`` in the same way as that of
:obj:`.types.Interval.python_type`, rather than raising
``NotImplementedError``.
fixes #3571
(cherry picked from commit 29d6f6e19b014bb5ce79032bd8803e32b4da0e5e)
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to the Postgresql version of the :meth:`.Inspector.get_view_definition`
method.
fixes #3587
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which also accept zero precision
- extend test case here to include a backend-agnostic suite
- changelog for MSSQL date fix
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The simple check on the precision results in DATETIME2(0) generating a
DATETIME2 column, with default precision, which is 7.
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out depending on connection pool state
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"auto increment" column has been changed, such that autoincrement
is no longer implicitly enabled for a :class:`.Table` that has a
composite primary key. In order to accommodate being able to enable
autoincrement for a composite PK member column while at the same time
maintaining SQLAlchemy's long standing behavior of enabling
implicit autoincrement for a single integer primary key, a third
state has been added to the :paramref:`.Column.autoincrement` parameter
``"auto"``, which is now the default. fixes #3216
- The MySQL dialect no longer generates an extra "KEY" directive when
generating CREATE TABLE DDL for a table using InnoDB with a
composite primary key with AUTO_INCREMENT on a column that isn't the
first column; to overcome InnoDB's limitation here, the PRIMARY KEY
constraint is now generated with the AUTO_INCREMENT column placed
first in the list of columns.
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symbols with names quoted to force all-lower-case would not be
identified properly in reflection queries. The :class:`.quoted_name`
construct is now applied to incoming symbol names that detect as
forced into all-lower-case within the "name normalize" process.
fixes #3548
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implicit schema
- repair the CREATE INDEX ddl for schemas
- update provisioning to include support for setting up ATTACH DATABASE up front
for the test_schema; enable "schemas" testing for SQLite
- changelog / migration notes for new SQLite schema support
- include the "schema" as the "remote_schema" when we reflect SQLite FKs
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Should return "main" and the names of attached databases.
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as part of :ticket:`3424` to allow disabling of the MSSQL dialect's
attempts to create aliases for schema-qualified tables, now defaults
to False; the old behavior is now disabled unless explicitly turned on.
fixes #3434
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to a :class:`.types.Enum` or :class:`.postgresql.ENUM` subtype
will now emit the expected "CREATE TYPE" and "DROP TYPE" DDL when
the type is used within a "CREATE TABLE" or "DROP TABLE".
fixes #2729
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with a :class:`.SchemaType` implementation, typically :class:`.Enum`
or :class:`.Boolean` with regards to ensuring that the per-table
events are propagated from the implementation type to the outer type.
These events are used
to ensure that the constraints or Postgresql types (e.g. ENUM)
are correctly created (and possibly dropped) along with the parent
table.
fixes #2919
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ARRAY type, references #3132
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``<function> WITHIN GROUP (ORDER BY <criteria>)``, using the
method :class:`.FunctionElement.within_group`. A series of common
set-aggregate functions with return types derived from the set have
been added. This includes functions like :class:`.percentile_cont`,
:class:`.dense_rank` and others.
fixes #1370
- make sure we use func.name for all _literal_as_binds in functions.py
so we get consistent naming behavior for parameters.
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which automatically returns an :class:`.Array` of the correct type
and supports index / slice operations. As arrays are only
supported on Postgresql at the moment, only actually works on
Postgresql. fixes #3132
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- any/all work for Array as well as subqueries, accepted by MySQL
- Postgresql ARRAY now subclasses Array
- fixes #3516
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- new test for json col['x']['y']['z'] seems to fail pre PG 9.4,
fails on comparisons for non-compatible data instead of not matching
- no need to call SpecPredicate(db) directly in exclusion functions,
by using Predicate.as_predicate() the spec strings can have version
comparisons
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- Fixes to the ORM and to the postgresql JSON type regarding the
``None`` constant in conjunction with the Postgresql :class:`.JSON` type. When
the :paramref:`.JSON.none_as_null` flag is left at its default
value of ``False``, the ORM will now correctly insert the Json
"'null'" string into the column whenever the value on the ORM
object is set to the value ``None`` or when the value ``None``
is used with :meth:`.Session.bulk_insert_mappings`,
**including** if the column has a default or server default on it. This
makes use of a new type-level flag "evaluates_none" which is implemented
by the JSON type based on the none_as_null flag. fixes #3514
- Added a new constant :attr:`.postgresql.JSON.NULL`, indicating
that the JSON NULL value should be used for a value
regardless of other settings. part of fixes #3514
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- The "hashable" flag on special datatypes such as :class:`.postgresql.ARRAY`,
:class:`.postgresql.JSON` and :class:`.postgresql.HSTORE` is now
set to False, which allows these types to be fetchable in ORM
queries that include entities within the row. fixes #3499
- The Postgresql :class:`.postgresql.ARRAY` type now supports multidimensional
indexed access, e.g. expressions such as ``somecol[5][6]`` without
any need for explicit casts or type coercions, provided
that the :paramref:`.postgresql.ARRAY.dimensions` parameter is set to the
desired number of dimensions. fixes #3487
- The return type for the :class:`.postgresql.JSON` and :class:`.postgresql.JSONB`
when using indexed access has been fixed to work like Postgresql itself,
and returns an expression that itself is of type :class:`.postgresql.JSON`
or :class:`.postgresql.JSONB`. Previously, the accessor would return
:class:`.NullType` which disallowed subsequent JSON-like operators to be
used. part of fixes #3503
- The :class:`.postgresql.JSON`, :class:`.postgresql.JSONB` and
:class:`.postgresql.HSTORE` datatypes now allow full control over the
return type from an indexed textual access operation, either ``column[someindex].astext``
for a JSON type or ``column[someindex]`` for an HSTORE type,
via the :paramref:`.postgresql.JSON.astext_type` and
:paramref:`.postgresql.HSTORE.text_type` parameters. also part of fixes #3503
- The :attr:`.postgresql.JSON.Comparator.astext` modifier no longer
calls upon :meth:`.ColumnElement.cast` implicitly, as PG's JSON/JSONB
types allow cross-casting between each other as well. Code that
makes use of :meth:`.ColumnElement.cast` on JSON indexed access,
e.g. ``col[someindex].cast(Integer)``, will need to be changed
to call :attr:`.postgresql.JSON.Comparator.astext` explicitly. This is
part of the refactor in references #3503 for consistency in operator
use.
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or other variable-length column type with unbounded length
by assigning the token ``"max"`` to the
length attribute of the string. While using the ``"max"`` token
explicitly is supported by the SQL Server dialect, it isn't part
of the normal contract of the base string types, and instead the
length should just be left as None. The dialect now assigns the
length to None on reflection of the type so that the type behaves
normally in other contexts.
fixes #3504
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options and USING of :ticket:`3455` released in 1.0.6,
to disable the feature for Postgresql versions < 8.2 where the
``reloptions`` column is not provided; this allows Amazon Redshift
to again work as it is based on an 8.0.x version of Postgresql.
Fix courtesy Pete Hollobon.
references #3455
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an INSERT of NULL + pyodbc; pyodbc requires a special
object be passed in order to persist NULL. As the :class:`.VARBINARY`
type is now usually the default for :class:`.LargeBinary` due to
:ticket:`3039`, this issue is partially a regression in 1.0.
The pymssql driver appears to be unaffected.
fixes #3464
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- changelog
- versionadded + reflink for new pg storage parameters doc
- pep8ing
- add additional tests to definitely check that the Index object
is created all the way with the opts we want
fixes #3455
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Add support for specifying PostgreSQL index storage paramters (e.g.
fillfactor).
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features that other objects like :class:`.Index` now do, that
the column expression may be specified as an arbitrary SQL
expression such as :obj:`.cast` or :obj:`.text`.
fixes #3454
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psycopg2cffi dialect, in particular that the current 2.7.0 version
does not have native support for the JSONB type. The version detection
for psycopg2 features has been tuned into a specific sub-version
for psycopg2cffi. Additionally, test coverage has been enabled
for the full series of psycopg2 features under psycopg2cffi.
fixes #3439
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:func:`.engine_from_config` were not being parsed correctly;
these included ``pool_threadlocal`` and the psycopg2 argument
``use_native_unicode``. fixes #3435
- add legacy_schema_aliasing config parsing for mssql
- move use_native_unicode config arg to the psycopg2 dialect
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``legacy_schema_aliasing`` which when set to False will disable a
very old and obsolete behavior, that of the compiler's
attempt to turn all schema-qualified table names into alias names,
to work around old and no longer locatable issues where SQL
server could not parse a multi-part identifier name in all
circumstances. The behavior prevented more
sophisticated statements from working correctly, including those which
use hints, as well as CRUD statements that embed correlated SELECT
statements. Rather than continue to repair the feature to work
with more complex statements, it's better to just disable it
as it should no longer be needed for any modern SQL server
version. The flag defaults to True for the 1.0.x series, leaving
current behavior unchanged for this version series. In the 1.1
series, it will default to False. For the 1.0 series,
when not set to either value explicitly, a warning is emitted
when a schema-qualified table is first used in a statement, which
suggests that the flag be set to False for all modern SQL Server
versions.
fixes #3424
fixes #3430
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with the psycopg2 dialect in conjunction with non-ascii values
and ``native_enum=False`` would fail to decode return results properly.
This stemmed from when the PG :class:`.postgresql.ENUM` type used
to be a standalone type without a "non native" option.
fixes #3354
- corrected the assertsql comparison rule to expect a non-ascii
SQL string
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:ticket:`3184` would cause index operations to fail on Postgresql
versions 8.4 and earlier. The enhancements are now
disabled when using an older version of Postgresql.
fixes #3343
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out.
- add __backend__ to the dialect suite so that it runs on CI.
- will be 1.0.0b3
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- changelog for #2771
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DROP TYPE instruction when a plain ``table.drop()`` is called,
assuming the object is not associated directly with a
:class:`.MetaData` object. In order to accomodate the use case of
an enumerated type shared between multiple tables, the type should
be associated directly with the :class:`.MetaData` object; in this
case the type will only be created at the metadata level, or if
created directly. The rules for create/drop of
Postgresql enumerated types have been highly reworked in general.
fixes #3319
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https://bitbucket.org/iurisilvio/sqlalchemy into pr45
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https://bitbucket.org/groner/sqlalchemy into pr42
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